分布式架构搭建拉勾教育PC站 - 前端
前端门户系统
访问：http://edufront.lagou.com/
用户名：15510792995 密码：111111
- 页面不需要我们自己开发，使用提供的页面即可
- 运行项目 npm run serve
1、首页显示全部课程
- Index.vue
<script>
import Header from "./Header/Header"; // 顶部登录条
import Footer from "./Footer/index"; // 顶部登录条
export default {
name: "Index",
components: {
Header,
Footer,
},
data() {
return {
courseList: [], // 课程集合
activeName: "allLesson",
};
},
created() {
this.getCourseList(); // 当组件创建完成，调用获取课程方法
},
methods: {
changeCourseTab(tabName) {
this.classSelect = tabName;
sessionStorage && sessionStorage.setItem("courseTab", tabName);
},
gotoDetail() {
this.$router.push({ name: "Course", params: { courseid: 1 } });
},
getCourseList() {
return this.axios
.get("http://localhost:8002/course/getAllCourse")
.then((result) => {
console.log(result);
this.courseList = result.data; // 将返回的数据 赋值给 当前组件中的集合
})
.catch((error) => {
console.log(error);
this.$message.error("获取数据失败!");
});
},
},
};
</script>
<!-- 课程信息展示开始 -->
<li class="course-li" v-for="(item,index) in courseList" :key="index">
<!-- 课程封面图 -->
<img
:src="item.courseImgUrl"
class="teacher-portrait hover-pointer"
/>
<!-- 课程文字信息 -->
<div class="content-main">
<!-- 课程标题 -->
<div class="content-title hover-pointer">
<div
class="p-title"
style="text-align:left;"
@click="gotoDetail"
>
<span>
{{item.courseName}}
</span>
</div>
<!-- 作者和职称 -->
<p class="p-title-buy text-overflow">
<span class="p-author-span">
{{item.teacher.teacherName}}
</span>
<span class="p-author-line" />
<span class="p-author-span">
{{item.teacher.position}}
</span>
</p>
<p></p>
<!-- 课程简单描述 -->
<p class="p-describe" style="text-align:left;">
{{item.brief}}
</p>
</div>
<!-- 课程前两个章节信息 -->
<ul class="content-course" style="text-align:left;">
<!-- 章节1 : 免费试看，通常是第一章的前两节课 -->
<li
class="content-course-lesson text-overflow"
style="width:300px"
v-for="(lesson , index) in item.courseSections[0].courseLessons.slice(0,2)" :key="index">
<!-- 免费试看图标 -->
<img
src="@/assets/course-list/free-course.png"
class="free-label hover-pointer"
/>
<span class="theme-span hover-pointer">
{{lesson.theme}}
</span>
</li>
</ul>
<!-- 价格信息 -->
<div class="content-price" style="text-align:left;">
<p class="content-price-p">
<span class="content-price-orange-sm">￥</span>
<span class="content-price-orange">{{ item.discounts }}</span>
<span class="current-price">
<span class="current-price-unite">￥</span>
{{ item.price }}
</span>
<span class="activity-name">成就自己</span>
<span class="content-price-buy">{{ item.sales }}人购买</span>
</p>
<div class="btn btn-green btn-offset">立即购买</div>
</div>
</div>
</li>
<!-- 课程信息结束 -->
2、登录
<script>
export default {
name: "Header",
props: {},
data() {
return {
isLogin: false, // 登录状态，true：已登录，false：未登录
userDTO:null, // 用来保存登录的用户信息
isHasNewMessage: false, // 是否有新的推送消息
dialogFormVisible: false, // 是否显示登录框，true：显示，false：隐藏
phone: "", // 双向绑定表单 手机号
password: "", // 双向绑定表单 密码
};
},
computed: {
},
watch: {
},
mounted() {
},
created(){
// 当刷新页面，组件创建成功之后，立刻检测本地储存中是否存在用户对象
this.userDTO = JSON.parse( localStorage.getItem("user") );
if(this.userDTO != null){
this.isLogin = true; // 已登录
}
},
methods: {
goToSetting() {
this.$router.push("/setting"); // 跳转个人设置页面
},
goToLogin() {
this.dialogFormVisible = true; // 显示登录框
},
login(){ // 前去登录
return this.axios
.get("http://localhost:8002/user/login" , {
params:{
phone:this.phone,
password:this.password
}
})
.then( (result)=>{
console.log( result );
this.dialogFormVisible = false ; //关闭登录框
this.userDTO = result.data; // 保存返回数据中的用户对象信息
this.isLogin = true; // 更新登录状态
localStorage.setItem("user", JSON.stringify(this.userDTO)); // 将登录成功的对象信息保存到本地储存中
} )
.catch( (error)=>{
this.$message.error("登录失败！");
});
},
goToLoginWX() {
alert("微信登录");
},
toToIndex() {
this.$router.push("/"); //回到首页
},
toToNotic(){
},
logout(){ //登出
localStorage.setItem("user", null); // 将登录成功的对象信息保存到本地储存中
this.isLogin = false; // 更新登录状态
alert('谢谢使用，再见！');
}
},
};
</script>
3、已购课程
<script>
import Header from "./Header/Header"; //顶部登录条
import Footer from "./Footer/index"; //顶部登录条
export default {
name: "Index",
components: {
Header,
Footer,
},
data() {
return {
activeName: "allLesson",
courseList:[], // 课程集合
myCourseList:[], // 已登录用户购买的课程集合
user:null, // 登录的用户对象
isLogin:false // 登录状态
};
},
created() {
this.getCourseList(); //当组件创建完毕，就调用获取课程的方法
this.user = JSON.parse( localStorage.getItem("user") );
if(this.user != null){
this.getCourseByUserId(); //查询已经用户购买过的课程列表
this.isLogin = true; // 改变登录状态
}
},
methods: {
changeCourseTab(tabName) {
this.classSelect = tabName;
sessionStorage && sessionStorage.setItem("courseTab", tabName);
},
gotoDetail() {
this.$router.push({ name: "Course", params: { courseid: 1 } });
},
getCourseList(){ // 去dubbo服务获取全部课程的数据
return this.axios
.get("http://localhost:8002/course/getAllCourse")
.then((result) => {
console.log(result);
this.courseList = result.data;
}).catch( (error)=>{
this.$message.error("获取课程信息失败！");
} );
},
getCourseByUserId(){
return this.axios
.get("http://localhost:8002/course/getCourseByUserId/"+this.user.content.id)
.then((result) => {
console.log( result);//购买的
this.myCourseList = result.data;
}).catch( (error)=>{
this.$message.error("获取课程信息失败！");
} );
}
},
};
</script>
<el-tab-pane label="已购" name="hasPay">
<div v-if="!isLogin">
<img src="@/assets/course-list/no-login@2x.png" class="no-data-icon"/>
<div class="no-data-title">您还没有登录</div>
<div class="no-data-title">登录后即可查看已购课程</div>
<div class="btn btn-yellow btn-center">立即登录</div>
</div>
<div v-if="isLogin">
<ul class="course-ul-pc">
<!-- 已购买的课程信息展示开始 -->
<li>...省略...</li>
<!-- 已购买的课程信息结束 -->
</ul>
</div>
</el-tab-pane>
4、课程详情-基本信息
Index.vue
<div @click="gotoDetail(item)">
<span>
{{item.courseName}}
</span>
</div>
<script>
gotoDetail(item) {
// 将课程对象传递到课程详情组件
this.$router.push({ name: "Course", params: { course: item } });
}
</script>
Course.vue
<script>
data() {
return {
activeName: "intro",
course:null
};
},
created(){
this.course = this.$route.params.course; // 从路由中获得参数对象赋值给本组件的参数
}
</script>
<img
class="course-img"
:src="course.courseImgUrl"
alt="课程图片"
/>
<div class="conent-wrap">
<div class="name" style="text-align:left;">
{{course.courseName}}
</div>
<div class="des text-omit" style="text-align:left;">
{{course.brief}}
</div>
<div class="title">
<div class="teacher-name text-omit">
讲师：{{course.teacher.teacherName}}
<span class="line"></span>
{{course.teacher.position}}
</div>
</div>
<div class="lesson-info">
<div class="boook-icon backgroun-img-set"></div>
<div class="time">100 讲 / {{course.totalDuration}} 课时</div>
<div class="person-icon backgroun-img-set"></div>
<div class="person">{{course.sales}}人已购买</div>
</div>
</div>
5、课程详情-共计多少讲
<div class="time">{{totalLessons}} 讲 / {{course.totalDuration}} 课时</div>
<script>
data() {
return {
activeName: "intro",
course:null,
totalLessons:0, // 本门课程的总节数(多少讲)
};
},
created(){
this.course = this.$route.params.course; // 从路由中获得参数对象赋值给本组件的参数
// 计算多少节课要讲
let x = 0;
for(let i = 0; i< this.course.courseSections.length; i++){
let section = this.course.courseSections[i]; //每一章
for( let j = 0; j<section.courseLessons.length ; j++){
x++;
}
}
this.totalLessons = x;
}
</script>
6、课程详情-实现课程信息描述
html不识别数据库的html标签，必须使用v-html才可以
<el-tab-pane label="课程信息" name="intro">
<div v-html="course.courseDescription" class="content-p pc-background">
</div>
7、课程详情-显示章节目录
<el-tab-pane label="目录" name="directory">
<div class="class-menu-contaniner list-page-container more-sections more-sections-padding">
<!-- 章 开始 -->
<div v-for="section in course.courseSections" >
<div class="section-name single-line">
{{section.sectionName}}
</div>
<div class="class-menu-block">
<!-- 每节课 开始 -->
<div
class="class-level-one over-ellipsis"
@click="watchCourse(1)"
v-for="(lesson , index) in section.courseLessons" :key="index">
<div class="text-wrap">
<div class="content">{{lesson.theme}}</div>
<div class="item-status-wrap item-status-wrap-list">
<div class="item-status test-watch">试看</div>
</div>
</div>
</div>
<!-- 每节课 结束 -->
</div>
</div>
<!-- 章 结束 -->
</div>
</el-tab-pane>
8、课程详情-显示全部留言
<script>
data() {
return {
activeName: "intro",
course:null,
totalLessons:0, // 本门课程的总节数
commentList:null, // 所有留言
};
},
created(){
this.course = this.$route.params.course; // 从路由中获得参数对象赋值给本组件的参数
// 计算多少节课要讲
let x = 0;
for(let i = 0; i< this.course.courseSections.length; i++){
let section = this.course.courseSections[i]; //每一章
for( let j = 0; j<section.courseLessons.length ; j++){
x++;
}
}
this.totalLessons = x;
// 获得所有留言
this.getComment();
},
methods: {
//播放视频
watchCourse(index) {
alert("观看第【" + index + "】节课程视频！");
},
buy(courseid) {
alert("购买第【" + courseid + "】门课程成功，加油！");
},
getComment(){
return this.axios
.get("http://localhost:8002/course/comment/getCourseCommentList/"+this.course.id +"/1/20")
.then((result) => {
//console.log(result);
this.commentList = result.data;
}).catch( (error)=>{
this.$message.error("获取留言信息失败！");
} );
}
}
</script>
<!-- 留言板 开始-->
<div class="message">
<div class="message-topic">
<div class="message-topic-title normal-font">精选留言</div>
</div>
<div>
<div class="message-edit">
<textarea rows="20" style="border:0px;resize: none;"
contenteditable="true"
placeholder="分享学习心得、思考感悟或者给自己一个小鼓励吧！"
class="edit-div pcStyle"
></textarea>
<div class="message-edit-count">
<span class="message-edit-count-cur">0</span>
<span class="message-edit-count-max">/2000</span>
</div>
</div>
<div class="message-edit-footer flex">
<button class="message-edit-btn disableBg" @click="saveComment">发表留言
</button>
</div>
</div>
<!-- 留言 开始 -->
<div class="message-list" v-for="(comment , index) in commentList" :key="index">
<div class="message-list-title">
<div class="message-list-title-left">
<div class="message-list-title-left-name">{{comment.userName}}</div>
<div class="message-list-title-left-tag"></div>
</div>
<div class="message-list-title-right">
<img class="message-list-title-right-icon"
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADgAAAA4BAMAAABaqCYtAAAAKlBMV
EVHcExnZ2dzc3NmZmZqampmZmZmZmZnZ2dnZ2dnZ2dmZmZoaGhmZmZmZmZl+8SAAAAADXRSTlMA/
AbsFtilbj5YwSqJPyESoQAAAZxJREFUOMt1lTtLA1EQha8xRhPTBEmhuKCCoNgoIlYLMcRKBG0sxIUg
CDaBSDohEO0FEbQyIBZaBazERvAPWCwxPnP+i3tnrlGTmVPswn73NXNm7hrzq9m9kZ2ckTUUABifkOE
BrK7liR7BMRFOA/uFc+BUgnV8mFisEW5IsIFi9FzBuwR91KJnAm8S9EIbxSBeBRZHk86MrBQJWjym
JUC3nlugSyk+SQyhANfxos+s4krfM0DZvmbw2cuSCHNGi3PAfUygXYiU79ryyw1ibf0xZ9intBsz6SBadx24ii
ZXz8kPxCiTtYdLPzKTVFkkLQAZO/VikwYW/x/wHohcT/MiPQE8W9frxJrlbpiw4xvA0vbNmWyhj2Nrhmy
+B7nEyTsN0rIaJAc0SDWqwX7rhAYfMa/Dui0bDZbwZAwUGNjWUWActnUUyN2hwDTaOkxRaSiwj6pRhj
HKgTazSkWlwBK1jgIpBwrkHCgwyZ0oQ86BAjkHCjziG0KE8YBvCA/5KacOm6sgrHFAotou
T6J23bkkLbsNDjM9yt7yP+IbQYga5De+eBMAAAAASUVORK5CYII=" alt="">
<div class="message-list-title-right-praise">{{comment.likeCount}}</div>
</div>
</div>
<div class="message-list-content">
{{comment.comment}}
</div>
</div>
<!-- 留言 结束 -->
</div>
<!-- 留言板 结束-->
9、课程详情-章节状态
<script>
import Header from "./Header/Header"; //顶部登录条
import Footer from "./Footer/index"; //顶部登录条
export default {
name: "Course",
components: {
Header,
Footer,
},
data() {
return {
activeName: "intro",
course:null,
totalLessons:0, // 本门课程的总节数
commentList:null, // 所有留言
isLogin:false, // false 未登录
myCourseList:[], // 我购买过的课程列表
isBuy:false, // false 未购买
user:null, // 登录的用户
};
},
created(){
this.course = this.$route.params.course; // 从路由中获得参数对象赋值给本组件的参数
// 检测是否登录
this.user = JSON.parse( localStorage.getItem("user") );
if( this.user != null ){
this.isLogin = true; // 已登录
this.getMyCourseList(); // 调用查询我购买的课程方法
}
// 计算多少节课要讲，略。。。
// 获得所有留言，略。。。
},
methods: {
//章节，课程索引，文件播放地址
watchCourse(i,index,file) {
if(i==1 && (index==0||index==1)){
alert("观看第【" + index + "】节课程视频！"+file);
this.$router.push({name: "videoDetail",params: { file: file }});
}else{
if(!this.isLogin){
alert("请先登录！");
}else{
if(!this.isBuy){
alert("请购买解锁才能观看本视频！");
}else{
alert("观看第【" + index + "】节课程视频！"+file);
this.$router.push({name: "videoDetail",params: { file: file }});
}
}
}
},
buy(courseid) {
alert("购买第【" + courseid + "】门课程成功，加油！");
},
getComment(){
// 获取全部留言，省略。。。
},
saveComment(){},
getMyCourseList(){
return this.axios
.get("http://localhost:8002/course/getCourseByUserId/"+this.user.content.id)
.then((result) => {
console.log("获得我的课程");
console.log(result);
this.myCourseList = result.data;
// 检查我是否购买过本门课程
console.log(this.myCourseList.length);
for(let i = 0; i< this.myCourseList.length ; i++){
if(this.myCourseList[i].id == this.course.id){
this.isBuy = true;//标记购买过本次课程
break;
}
}
}).catch( (error)=>{
this.$message.error("获取课程信息失败！");
} );
}
},
};
</script>
<el-tab-pane label="目录" name="directory">
<div class="class-menu-contaniner list-page-container more-sections more-
sections-padding">
<!-- 第一章 开始 -->
<div v-for="section in course.courseSections.slice(0,1)" >
<div class="section-name single-line">
{{section.sectionName}}
</div>
<div class="class-menu-block">
<!-- 每节课 开始 -->
<div
class="class-level-one over-ellipsis"
@click="watchCourse(1,i,lesson.courseMedia.fileEdk)"
v-for="(lesson , i) in section.courseLessons" :key="i">
<div class="text-wrap">
<div class="content">{{lesson.theme}}</div>
<div class="item-status-wrap item-status-wrap-list">
<!--第一章，前两节-->
<div v-if="i == 0 || i==1">
<!--未登录，试看-->
<div v-if="!isLogin" class="item-status test-watch">试看</div>
<!--已登录，未购买，试看-->
<div v-else-if="isLogin && !isBuy" class="item-status test-watch">试看</div>
<!--已登录，已购买，播放-->
<div v-else class="item-status test-watch">播放</div>
</div>
<!--第一章，除了前两节后面的-->
<div v-if="i != 0 && i!=1">
<!--未登录，锁-->
<div v-if="!isLogin" class="item-status lock"></div>
<!--已登录，未购买，锁-->
<div v-else-if="isLogin && !isBuy" class="item-status lock"></div>
<!--已登录，已购买，播放-->
<div v-else class="item-status test-watch">播放</div>
</div>
</div>
</div>
</div>
<!-- 每节课 结束 -->
</div>
</div>
<!-- 第一章 结束 -->
<!-- 其余章 开始 -->
<div v-for="section in course.courseSections.slice(1,course.courseSections.length)" >
<div class="section-name single-line">
{{section.sectionName}}
</div>
<div class="class-menu-block">
<!-- 每节课 开始 -->
<div
class="class-level-one over-ellipsis"
@click="watchCourse(2,j,lesson.courseMedia.fileEdk)"
v-for="(lesson , j) in section.courseLessons" >
<div class="text-wrap">
<div class="content">{{lesson.theme}}</div>
<div class="item-status-wrap item-status-wrap-list">
<!--已登录，已购买，播放-->
<div v-if="isLogin&&isBuy" class="item-status test-watch">播放</div>
<!--未登录，锁-->
<div v-else-if="!isLogin" class="item-status lock"></div>
<!--已登录，未购买，锁-->
<div v-if="isLogin && !isBuy" class="item-status lock"></div>
</div>
</div>
</div>
<!-- 每节课 结束 -->
</div>
</div>
<!-- 其余章 结束 -->
</div>
</el-tab-pane>
10、在课程详情页点击视频播放
Course.vue
<div
class="class-level-one over-ellipsis"
@click="watchCourse(2,lesson.id,index,lesson.courseMedia)"
v-for="(lesson , index) in section.courseLessons" :key="index">
<script>
//播放视频 ( 章节，小节课编号，每节课的索引，每节课的视频对象)
watchCourse(status,lessonid,index,media) {
this.$router.push({ name: "videoDetail", params: { course: this.course , lessonid:lessonid } });
</script>
videoDetail.vue
<script>
data() {
return {
myvideo: null, // 播放器对象
isplay: false, //是否在播放
nowTime: "00:00", //当前播放时间
totalTime: "00:00", //总时长
course:null, // 课程
lessonid:0, // 当前播放视频的课节id
};
},
computed: {},
created() {
// 判断登录(暂无)
this.course = this.$route.params.course;
this.lessonid = this.$route.params.lessonid; // 点击的视频编号
},
mounted() {
this.myvideo = document.getElementById("myvideo");
this.initplay(); // 通过id找到点击视频的地址并播放
},
methods:{
// 初始化时播放的视频
initplay(){
//1.在课程信息中查找即将播放的小节视频的编号
for( let i = 0 ; i< this.course.courseSections.length;i++ ){
let section = this.course.courseSections[i];
for(let j = 0; j<section.courseLessons.length ; j++){
let lesson = section.courseLessons[j]; // 每节课
if(lesson.courseMedia!=null){
if(this.lessonid == lesson.courseMedia.lessonId){
console.log("视频地址：" + lesson.courseMedia.fileEdk);
//2.将小节视频的地址 赋值 给播放器，进行播放
this.myvideo.src = lesson.courseMedia.fileEdk;
return;
}
}
}
}
}
}
</script>
11、播放页的信息显示
<script>
export default {
name: "videoDetail",
components: {},
data() {
return {
myvideo: null, // 播放器对象
isplay: false, //是否在播放
nowTime: "00:00", //当前播放时间
totalTime: "00:00", //总时长
course:null, // 课程
lessonid:0, // 当前播放视频的课节id
lessonName:null, // 当前播放的视频名称
isLogin:false, // false 未登录
isBuy:false, // false 未购买
};
},
computed: {},
created() {
// 判断登录(暂无)
this.user = JSON.parse(localStorage.getItem("user"));
if(this.user != null){
this.isLogin = true; // 已登录
}
// 从上一级页面的请求中获得课程对象和小节编号
this.course = this.$route.params.course;
this.lessonid = this.$route.params.lessonid;
this.isBuy = this.$route.params.isBuy;
},
mounted() {
this.myvideo = document.getElementById("myvideo");
this.initplay(); // 初始化播放的视频
},
methods: {
play() {
this.isplay = !this.isplay;
if (this.isplay) {
this.myvideo.play();
} else {
this.myvideo.pause();
}
},
// 获取视频的时间是秒为单位，格式化城00：00的格式
formatTime(time) {
let mm = Math.floor((time % 3600) / 60);
let ss = Math.floor(time % 60);
mm = mm < 10 ? "0" + mm : mm;
ss = ss < 10 ? "0" + ss : ss;
return `${mm}:${ss}`;
},
//获取初始化信息
getInit() {
if (!this.myvideo) {
//获取失败，显示0
this.totalTime = this.formatTime(0);
} else {
//获取视频总时长
this.totalTime = this.formatTime(this.myvideo.duration);
}
},
//播放时显示当前播放时间和总时长
handlerNowTime() {
if (!this.myvideo) {
this.nowTime = `${this.formatTime(0)}`;
}
this.nowTime = this.formatTime(this.myvideo.currentTime || 0);
},
//返回
goBack() {
//this.$router.push({ name: "Course" });
this.$router.go(-1);
},
//播放课程
playLesson(mp4) {
//alert("播放视频！" + mp4);
//this.myvideo.src = mp4;
},
// 初始化时播放的视频
initplay(){
//1.在课程信息中查找即将播放的小节视频的编号
for( let i = 0 ; i< this.course.courseSections.length;i++ ){
let section = this.course.courseSections[i];
for(let j = 0; j<section.courseLessons.length ; j++){
let lesson = section.courseLessons[j]; // 每节课
if(lesson.courseMedia!=null){
if(this.lessonid == lesson.courseMedia.lessonId){
console.log("视频地址：" + lesson.courseMedia.fileEdk);
this.lessonName = lesson.theme;
//2.将小节视频的地址 赋值 给播放器，进行播放
this.myvideo.src = lesson.courseMedia.fileEdk;
return;
}
}
}
}
}
},
};
</script>
<div class="content-container">
<!-- 第一章 开始 -->
<div v-for="section in course.courseSections.slice(0,1)">
<div class="content-label">
<div class="content-label-title single-line">{{section.sectionName}}</div>
<img
class="arrow-icon"
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkBAMAAAATLoWrAAAAGFBM
VEVHcEz///////////////////////////8dS1W+AAAAB3RSTlMAgwWyMeGgBsFrrQAAAFV
JREFUKM9jYBiugMUBQ0i8EF2EsbxcAF1ReXkhuqJiczRl4uVGyqjKgIoUmFCVARUxMKAoAyliYEBRBla
EqiwcpAikrBShKglCqyFUMcEYCgwjBAAAeaoQrHtg6QoAAAAASUVORK5CYII=" alt=""
/>
</div>
<!-- 第一章 开始 -->
<div class="content-sections">
<div class='content-section'
v-for="(lesson , index) in section.courseLessons" :key="index">
<!-- 第一章，前两节 -->
<div v-if="index<2">
<div class="section-item clearfix">
<span class="kw-icon-video section-type-icon"><i class="el-icon-video-play"></i></span>
<span class="section-dec">{{lesson.theme}}</span>
<span class="section-status-icon pause-play">试看</span>
</div>
<div class="section-duration">
<span v-if="lesson.courseMedia != null">时长：{{lesson.courseMedia.duration}}</span>
<span v-else>时长：无媒体文件</span>
</div>
</div>
<div v-if="index>1">
<div class="section-item clearfix">
<span class="kw-icon-video section-type-icon fl"><i class="el-icon-video-play"></i></span>
<span class="section-dec need-update">{{lesson.theme}}</span>
<!-- 未登录 => 锁 -->
<span v-if="!isLogin" class="section-status-icon pause-play">未解锁</span>
<!-- 已登录，未购买 => 锁 -->
<span v-else-if="isLogin && !isBuy" class="section-status-icon pause-play">未解锁</span>
<!-- 已登录，已购买 => 播放 -->
<span v-else class="section-status-icon pause-play">播放</span>
</div>
<div class="section-duration">
<span v-if="lesson.courseMedia != null">时长：{{lesson.courseMedia.duration}}</span>
<span v-else>时长：无媒体文件</span>
</div>
</div>
</div>
</div>
</div>
<!-- 第一章 结束 -->
<!-- 其余章 开始 -->
<div v-for="section in course.courseSections.slice(1,course.courseSections.length)">
<div class="content-label">
<div class="content-label-title single-line">{{section.sectionName}}</div>
<img
class="arrow-icon"
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkBAMAAAATLoWrAAAAGFBM
VEVHcEz///////////////////////////8dS1W+AAAAB3RSTlMAgwWyMeGgBsFrrQAAAFV
JREFUKM9jYBiugMUBQ0i8EF2EsbxcAF1ReXkhuqJiczRl4uVGyqjKgIoUmFCVARUxMKAoAyliYEBRBla
EqiwcpAikrBShKglCqyFUMcEYCgwjBAAAeaoQrHtg6QoAAAAASUVORK5CYII=" alt=""
/>
</div>
<div class="content-sections">
<div class="content-section" v-for="(lesson , index) in section.courseLessons" :key="index">
<div>
<div class="section-item clearfix">
<span class="kw-icon-video section-type-icon fl"><i class="el-icon-video-play"></i></span>
<span class="section-dec need-update">{{lesson.theme}}</span>
<!-- 未登录 => 锁 -->
<span v-if="!isLogin" class="section-status-icon pause-play">未解锁</span>
<!-- 已登录，未购买 => 锁 -->
<span v-else-if="isLogin && !isBuy" class="section-status-icon pause-play">未解锁</span>
<!-- 已登录，已购买 => 播放 -->
<span v-else class="section-status-icon pause-play">播放</span>
</div>
<div class="section-duration">
<span v-if="lesson.courseMedia != null">时长：{{lesson.courseMedia.duration}}</span>
<span v-else>时长：无媒体文件</span>
</div>
</div>
</div>
</div>
</div>
<!-- 其余章 结束 -->
</div>
12、当前播放的视频高亮突出
<div class="content-sections">
<div :class="{
'content-section': lesson.id != lessonid,
'content-section content-section-choose': lesson.id == lessonid,
}"
v-for="(lesson , index) in section.courseLessons"
:key="index"
>
<div>
<div class="section-item clearfix">
<span :class="{
'kw-icon-video section-type-icon': lesson.id != lessonid,
'kw-icon-video section-type-icon lv': lesson.id == lessonid,
}"><i class="el-icon-video-play"></i></span>
<span :class="{
'section-dec': lesson.id != lessonid,
'section-dec lv': lesson.id == lessonid,
}">{{lesson.theme}}</span>
<!-- 未登录 => 锁 -->
<span v-if="!isLogin" class="section-status-icon pause-play">未解锁</span>
<!-- 已登录，未购买 => 锁 -->
<span v-else-if="isLogin && !isBuy" class="section-status-icon pause-play">未解锁</span>
<!-- 已登录，已购买 => 播放 -->
<span v-else-if="lesson.id != lessonid" class="section-status-icon pause-play">播放</span>
<span v-else-if="lesson.id == lessonid" class="section-status-icon pause-play"></span>
</div>
<div class="section-duration">
<span v-if="lesson.courseMedia != null">时长：{{lesson.courseMedia.duration}}</span>
<span v-else>时长：无媒体文件</span>
</div>
</div>
</div>
</div>
13、点击课标题切换视频并播放
<div :class="{
'content-section': lesson.id != lessonid,
'content-section content-section-choose': lesson.id == lessonid,
}"
v-for="(lesson , index) in section.courseLessons"
:key="index"
@click="playLesson(lesson)"
>
<script>
//播放课程
playLesson(lesson) {
this.lessonid = lesson.id;
this.myvideo.src = lesson.courseMedia.fileEdk;
this.myvideo.play();
this.isplay = !this.isplay;
},
</script>
14、留言点赞
14.1 修改dao
@Data
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class CourseComment implements Serializable {
private static final long serialVersionUID = 922554392538715061L;
// 一条留言：N个点赞
private List<CourseCommentFavoriteRecord> favoriteRecords ;
<resultMap type="com.lagou.entity.CourseComment" id="commentMap">
<result property="id" column="cc_id" jdbcType="OTHER"/>
<result property="courseId" column="course_id" jdbcType="INTEGER"/>
<result property="sectionId" column="section_id" jdbcType="INTEGER"/>
<result property="lessonId" column="lesson_id" jdbcType="INTEGER"/>
<result property="userId" column="cc_user_id" jdbcType="INTEGER"/>
<result property="userName" column="user_name" jdbcType="VARCHAR"/>
<result property="parentId" column="parent_id" jdbcType="INTEGER"/>
<result property="isTop" column="is_top" jdbcType="OTHER"/>
<result property="comment" column="comment" jdbcType="VARCHAR"/>
<result property="likeCount" column="like_count" jdbcType="INTEGER"/>
<result property="isReply" column="is_reply" jdbcType="OTHER"/>
<result property="type" column="type" jdbcType="INTEGER"/>
<result property="status" column="status" jdbcType="INTEGER"/>
<result property="createTime" column="cc_create_time" jdbcType="TIMESTAMP"/>
<result property="updateTime" column="cc_update_time" jdbcType="TIMESTAMP"/>
<result property="isDel" column="cc_is_del" jdbcType="OTHER"/>
<result property="lastOperator" column="last_operator" jdbcType="INTEGER"/>
<result property="isNotify" column="is_notify" jdbcType="OTHER"/>
<result property="markBelong" column="mark_belong" jdbcType="OTHER"/>
<result property="replied" column="replied" jdbcType="OTHER"/>
<!-- N个点赞-->
<collection property="favoriteRecords" ofType="com.lagou.entity.CourseCommentFavoriteRecord">
<result property="id" column="ccfr_id" jdbcType="OTHER"/>
<result property="userId" column="ccfr_user_id" jdbcType="INTEGER"/>
<result property="commentId" column="comment_id" jdbcType="INTEGER"/>
<result property="isDel" column="ccfr_is_del" jdbcType="OTHER"/>
<result property="createTime" column="ccfr_create_time" jdbcType="TIMESTAMP"/>
<result property="updateTime" column="ccfr_update_time" jdbcType="TIMESTAMP"/>
</collection>
</resultMap>
<!--分页查询某门课程的全部留言-->
<select id="getCommentsByCourseId" resultMap="commentMap">
select
cc.id cc_id,`course_id`,`section_id`,`lesson_id`,cc.user_id
cc_user_id,ùser_name`,`parent_id`,ìs_top`,`comment`,`like_count`,ìs_reply`,
`type`,`status`,cc.create_time cc_create_time ,cc.update_time cc_update_time,
cc.is_del cc_is_del,`last_operator`,ìs_notify`,`mark_belong`,`replied` ,
ccfr.id ccfr_id,ccfr.user_id ccfr_user_id,comment_id,ccfr.is_del ccfr_is_del,
ccfr.create_time ccfr_create_time,ccfr.update_time ccfr_update_time
from course_comment cc left join course_comment_favorite_record ccfr
on cc.id = ccfr.comment_id
where cc.is_del = 0
and course_id = #{courseid}
order by is_top desc , like_count desc , cc.create_time desc
limit #{offset}, #{pageSize}
</select>
@Test
public void getComment(){
List<CourseComment> list = courseCommentDao.getCommentsByCourseId(7, 1, 20);
for(CourseComment comment : list){
System.out.println("【"+comment.getUserName()+"】"+"留言：" + comment.getComment());
for(CourseCommentFavoriteRecord fr: comment.getFavoriteRecords()){
System.out.println("--->" + fr.getUserId());
}
}
}
14.2 修改controller
@GetMapping("comment/getCourseCommentList/{courseid}/{pageIndex}/{pageSize}")
public List<CourseComment> getCommentsByCourseId(@PathVariable("courseid")
Integer courseid,@PathVariable("pageIndex") Integer
pageIndex,@PathVariable("pageSize") Integer pageSize){
int offset = (pageIndex-1)*pageSize;
List<CourseComment> list = commentService.getCommentsByCourseId(courseid, offset, pageSize);
System.out.println("获取第"+courseid+"门课程的留言：共计"+list.size()+"条");
return list;
}
14.3 页面点赞之后的显示样式
<!-- 已赞 -->
<div v-if="JSON.stringify(comment.favoriteRecords).indexOf( user.content.id ) >= 0" class="message-list-title-right">
<img class="message-list-title-right-icon" src="已赞图片过长，省略" alt="">
<div class="message-list-title-right-praise">{{comment.likeCount}}</div>
</div>
<!-- 没点过赞 -->
<div v-else class="message-list-title-right">
<img class="message-list-title-right-icon" src="未赞图片过长，省略" alt="">
<div class="message-list-title-right-praise">{{comment.likeCount}}</div>
</div>
14.4 页面调用点赞和取消赞
<!-- 已赞 -->
<div @click="cancelzan(comment)" v-
if="JSON.stringify(comment.favoriteRecords).indexOf( user.content.id ) >= 0"
class="message-list-title-right">
<img class="message-list-title-right-icon" src="已赞图片过长，省略" alt="">
<div class="message-list-title-right-praise">{{comment.likeCount}}</div>
</div>
<!-- 没点过赞 -->
<div @click="zan(comment)" v-else class="message-list-title-right">
<img class="message-list-title-right-icon" src="未赞图片过长，省略" alt="">
<div class="message-list-title-right-praise">{{comment.likeCount}}</div>
</div>
<script>
// 点赞
zan(comment){
return this.axios
.get("http://localhost:8002/course/comment/saveFavorite/"+comment.id+"/"+this.user.content.id)
.then((result) => {
// console.log(result);
// 重新获取本门课的全部留言信息
this.getComment();
}).catch( (error)=>{
this.$message.error("点赞失败！");
} );
},
// 取消赞
cancelzan(comment){
return this.axios
.get("http://localhost:8002/course/comment/cancelFavorite/"+comment.id+"/"+this.user.content.id)
.then((result) => {
// console.log(result);
// 重新获取本门课的全部留言信息
this.getComment();
}).catch( (error)=>{
this.$message.error("取消赞失败！");
} );
},
</script>
<!--分页查询某门课程的全部留言-->
<select id="getCommentsByCourseId" resultMap="commentMap">
select
cc.id cc_id,`course_id`,`section_id`,`lesson_id`,cc.user_id cc_user_id,ùser_name`,
`parent_id`,ìs_top`,`comment`,`like_count`,ìs_reply`,`type`,`status`,
cc.create_time cc_create_time ,cc.update_time cc_update_time ,cc.is_del cc_is_del,
`last_operator`,ìs_notify`,`mark_belong`,`replied`,ccfr.id ccfr_id,ccfr.user_id ccfr_user_id,
comment_id,ccfr.is_del ccfr_is_del,ccfr.create_time ccfr_create_time,
ccfr.update_time ccfr_update_time
from course_comment cc left join course_comment_favorite_record ccfr
on cc.id = ccfr.comment_id
where cc.is_del = 0
and ccfr.is_del = 0 <!-- 点赞表也要过滤掉被删除的数据 -->
and course_id = #{courseid}
order by is_top desc , like_count desc , cc.create_time desc
limit #{offset}, #{pageSize}
</select>
15、发表留言
- Course.vue
// 发表留言
saveComment(){
return this.axios
.get("http://localhost:80/course/comment/saveCourseComment",{
params:{
courseid:this.course.id,
userid:this.user.content.id,
username:this.user.content.name,
comment:this.comment,
}
})
.then((result) => {
// console.log(result);
// 重新获取本门课的全部留言信息
this.getComment();
}).catch( (error)=>{
this.$message.error("发表留言失败！");
} );
},
- web消费方
public interface CommentService {
/**
* 保存留言
* @param comment 留言内容对象
* @return 受影响的行数
*/
Integer saveComment(CourseComment comment);
@RestController
@RequestMapping("course")
public class CommentController {
@Reference // 远程消费
private CommentService commentService;
@GetMapping("comment/saveCourseComment")
public Object saveCourseComment(Integer courseid,Integer userid,String username,String comment)
throws UnsupportedEncodingException {
username = new String( username.getBytes("ISO-8859-1"),"UTF-8" );
comment = new String( comment.getBytes("ISO-8859-1"),"UTF-8" );
System.out.println("昵称：" + username);
CourseComment courseComment = new CourseComment();
courseComment.setCourseId(courseid); // 课程编号
courseComment.setSectionId(0); // 章节编号 （预留字段，为项目的2.0版本保留）
courseComment.setLessonId(0);// 小节编号（预留字段，为项目的2.0版本保留）
courseComment.setUserId(userid); // 用户编号
courseComment.setUserName(username); // 用户昵称
courseComment.setParentId(0); //没有父id（预留字段，为项目的2.0版本保留）
courseComment.setComment(comment);// 留言内容
courseComment.setType(0); // 0用户留言（预留字段，为项目的2.0版本保留）
courseComment.setLastOperator(userid); //最后操作的用户编号
Integer i = commentService.saveComment(courseComment);
return i;
}
- service提供方
<!--保存留言-->
<insert id="saveComment">
insert into `course_comment`(`course_id`,`section_id`,`lesson_id`,ùser_id`,`user_name`,
`parent_id`,ìs_top`,`comment`,`like_count`,`is_reply`,`type`,`status`,`create_time`,
`update_time`,ìs_del`,`last_operator`,ìs_notify`,`mark_belong`,`replied`)
values
(#{courseId},#{sectionId},#{lessonId},#{userId},#{userName},#{parentId},0,
#{comment},0,0,#{type},0,sysdate(),sysdate(),0,#{lastOperator},1,0,0)
</insert>
本文来自博客园，作者：寒露凝珠，转载请注明原文链接：https://www.cnblogs.com/china-soldier/p/15795582.html
